Take your training to the next level with Garmin's Heart Rate Monitor Chest Strap. It's compatible with many of their GPS units and wirelessly gives you an accurate read out of your heart rate. Plus, it features ANT+ technology for seamless, interference-free data transferring.
This device boasts ANT+ technology to facilitate the collection and automatic transfer of sensor data for monitoring information anywhere, at anytime. This technology also allows the device to communicate with other ANT+ products such as speed sensors, heart rate monitors, power meters and foot pods that track running/walking progress and more.